If there is no toxicology unit in the crime laboratory, the respective works will be conducted in the biology unit This statement is true or flase

Q: Abel reacts copper with silver nitrate and recovers 5.2 g Ag. However, after mass to mass stoichiome...

A: The theoretical yield of silver is = 9.5 g The actual yield of the silver in the reaction is = 5.2 g...

Q: atmospheres

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Q: A tiny sample of an aqueous solution of two substances R and P is sketched below, as if it was under...

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Q: To what volume (in mL) would you need to dilute 40.0 mL of a 1.25 M solution of NaCl to make a 0.086...

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Q: H

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Q: If you have multiple analytical balances to use during a lab, why do you think it is important to us...

A: Because our analytical balance is calibrated according to your needs so if we use different analytic...

Q: Select Draw Rings More Erase C H KMNO4 H*, heat

A: Alkyl substituted benzene ring undergo oxidation with potassium permanganate.

Q: Sn* + VO, + H* → Sn* + V* + H,0

A: Balanced the given reaction under acidic conditions and also balanced it's charge ---

Q: Circle all of the functional groups on the given molecule and clearly label them. -ketone H2N valine...

A: Given compound is an amino acid. Functional groups are the groups which decides the properties of a ...

Q: The heat of vaporization for 1.0 mole of a substance X at 45.99°C is 50.6 kJ. Calculate ASsurr for t...

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Q: 1. Balance the following equations: 1 Ba 2N 60 IBa 201 INa IC1 Ba(NO3)2 + NaCI BaCl2 + KNO3

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Q: The molar volume of isopentane (C5H12) is 1.00 L at 503 K and 30.0 atm. a. Does isopentane behave li...

A: According to the ideal gas equation the pressure of 1 mole of a gas at 503 K that occupies 1.0L is :...

Q: The reaction of tert-butyl chloride with methanol, as shown below, (CH3)3C-CI + CH3-OH (CH3)3C-OCH3 ...

A: Write the answer regarding the reaction rate order of the following---

Q: - Compare the properties of the following using , or = sign 1. boiling point 3.0 mC,H,,O, 2.0 m NaC...

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Q: A gas sample has a pressure of 0.997 atm at a temperature of 21.3 °C. If the pressure decreases to 0...

A: Given,         the pressure of the gas (P1)=0.997 atm          temperature (T1)=21.3 °C =21.3+273 =2...

Q: ny grams of o inds of ontor

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Q: The H* concentration in an aqueous solution at 25 °C is 1.5 x 10°. What is [OH]?

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Q: CH,CH,CH,-OH Draw the structure of the product expected when each of the following alcohols is react...

A: All the reactions of alcohol given in the question are dehydrogenation reactions.

Q: Charles Law

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Q: provide the iupac name and molecular formula

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Q: Question 17 The reaction 2X=Y+Z(K=3.3 x 10) has (X} = 0.05 M and (Y}={Z} = 5 x 10 M: Is the reaction...

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Q: For the reaction below the partial pressure of NO₂ is 0.31 atm and the partial pressure of N₂O₄ is 1...

A:   Q is the reaction quotient , it is Reaction stage at other than equilibrium stage  Kp is the react...

Q: A primary alcohol is oxidized to form a ketone. The ketone is then oxidized gain. The final product ...

A:   Oxidation of alcohols :  1. Primary alcohol upon oxidising with mild oxidising agent could give al...

Q: Question 4 of 24 Submit Write the formula of the conjugate base of the Brønsted-Lowry acid, HCIO,

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Q: For the following halt-reactions AIF, (ag) + 3e→ Al(s) + 6F¯ (ag) e' =-2.07 V Al* (aq) + 3e¯ → AI(a)...

A: The equilibrium constant can be calculated as

Q: A solution contains anions with the following concentrations: 0.20 M CO, and 0.01 M Cr If a dilute A...

A: [CO32-]= 0.20 M [Cl-] = 0.01 M Ag2CO3 , Ksp = 1.2 x 10-12 AgCl, Ksp = 1.8 x 10-10    

Q: Discuss one of the Philosophers and his contributions to science history;Give at least 10 sentece

A: We all have learn about one of the greatest and very attractive philosopher and his name was Aristot...

Q: What are the IUPAC Name and Molecular formula of the structure?

A: 1. Select the principle carbon chain 2. Numbering 3. Naming (prefix + word root + suffix)

Q: 1.) What volume in mL of 0.220 M HBr solution is required to produce 0.0185 moles of HBr?

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: For a particular process, if the change in enthalpy is -69.8 kJ and the change in entropy mol kJ )? ...

A: Given :-  ∆H = -69.8 kJ/mol  ∆S = 84.3 J/mol.K  T = 61°C  To be calculated :-  ∆G (in kJ/mol)

Q: Name the following compound Ho CH3 ュ-う-2Hコ-Hコ-HO CH3 2CH2 -CH2-ċ - c cHz CH3 -CH3 CH3

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Q: Describe the difference between polar covalent and nonpolar covalent bonds. ( Give one example of a ...

A: The correct answer is given below

Q: 5. A metal crystalizes into the body-centered cubic unit (BCC) structure. If the radius of the metal...

A: Given: A metal crystallizes into the BCC structure. The radius of the metal atom = 375 pm We have to...

Q: rate

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Q: What is the value of K for this aqueous reaction at 298 K? A +B =C+ D AG° = 17.48 kJ/mol K =

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Q: At 36.0 °C the density of water is 0.9936870 g/cm3. At 37.0 °C the density of water is 0.9933390 g/c...

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Q: Yajaira GCSE Chemistry: Balancing Equations W. Matthews BALANCING EQUATIONS Balance the following eq...

A: Balanced chemical equation are those in which number of atoms on left hand side and right hand side ...

Q: 8. Name these compounds

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Q: How many grams of NaH2C6H5O7 must be added to a 300 mL solution of 0.15 M H3C6H507 (Ka= 3.2x 10) to ...

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Q: The pH of an acidic solution is 2.11. What is [H*]?

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Q: Solvent Extraction – pH Effects Fraction remaining in phase 1 after 1 extraction, q V,+ DV2 НА K [H°...

A: Liquid - liquid extraction

Q: The pH of an aqueous solution at 25°C was found to be 2.90. The pOH of this solution is 11.10 The hy...

A: Given :-  pH of solution at 25°C = 2.90  To calculate :-  pOH  [H3O+]  [OH-] 

Q: Oxidize the below molecule as many times as possible. Then name each product. ОН CH3 `CH3 H3C.

A: Given compound 2-methylbutan-2-ol

Q: Determine which will lower the freezing point of water more: 225.0 g of KCl or 225.0 g of Na2SO4? As...

A: We know that., Change in freezing point = freezing point of pure solvent - Freezing point of solutio...

Q: A certain reaction has an enthalpy of Δ?=39 kJ and an activation energy of ?a=56 kJ. What is the ac...

A: Thermodynamics is branch of chemistry in which we deal with heat gain or heat  lost by system to sur...

Q: Phenolphthalein (transition pH range 8.0-9.6) is very appropriate for the titration of KHP with NaOH...

A: Phenol saline which has an essential progress scope of a pH =8 guide gracious toward 9.6 would be fi...

Q: uestion 9 The reaction C»H4+H2- C>H6 has an activation energy of 181 kJ mol and k = 2.5x10 M's at 50...

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Q: Question 2 The reaction 2NO2 2NO +O2 (K=0.50) is at equilibrium when PNO2=0.16 atm and PO2 = 0.22 at...

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Q: COBr2 is formed when CO reacts with Br2. Given the reaction CO(g) + Br2(g)  COBr2(g) , If [CO]0 = .5...

A: Given data : [CO]o = 0.50 M [Br2]0 = 0.40 M Kc = 23

Q: A compound has the empirical formula CHI. A 256-mL flask, at 373 K and 750. torr, contains 2.31 g of...

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